CN105934856B - Drawer type switchgear - Google Patents
Drawer type switchgear Download PDFInfo
- Publication number
- CN105934856B CN105934856B CN201580005966.7A CN201580005966A CN105934856B CN 105934856 B CN105934856 B CN 105934856B CN 201580005966 A CN201580005966 A CN 201580005966A CN 105934856 B CN105934856 B CN 105934856B
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- CN
- China
- Prior art keywords
- switch element
- actuator lever
- plate part
- switchgear
- actuating mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/10—Indicating electrical condition of gear; Arrangement of test sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
- H01H3/161—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover or lid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0066—Auxiliary contact devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
A kind of switchgear, including：Switch element, switch element include one or more electrodes；Truck assemblies, the switch element are arranged on truck assemblies, and the truck assemblies can move relative to support frame；For making the actuation means of the truck assemblies motion, the switch element can reversibly move between insertion position and retrieving position, the switch element is electrically connected to electric wire at insertion position, electrically disconnected in switch element described in retracted position and the electric wire；With the dynamoelectric signal device on the truck assemblies, the dynamoelectric signal device and the actuation means interact with provide represent switch element at the insertion position, in the retracted position or the electric signal in the position of the middle position different with the insertion position and the retrieving position.Dynamoelectric signal device includes the auxiliary contact device of rotation type and to activate the first and second signaling gears of the auxiliary contact device.
Description
Technical field
It is such as breaking the present invention relates to a kind of auxiliary contact device for being used for low pressure (LV) or middle pressure (MV) switchgear
Device, contact, disconnecting switch etc..
Background technology
For the purposes of the present invention, term " low pressure " refers to the equipment run under less than 1kV alternating voltages, and term
" middle pressure " refers to the equipment run under 1kV to 50kV alternating voltages.
The use of drawer type switchgear is well-known in low pressure or medium voltage panel.
Generally, drawer type switchgear includes switch element, and the switch element is arranged on bogie, the bogie
It can be moved relative to fixed support frame frame.
Switchgear is included to make the motor of the bogie motion, and the motor is connected to worm screw, and the worm screw can
It is operatively coupled to the fixed frame and the bogie.
Bogie can reversibly move between insertion position and retrieving position, in the insertion position, switch element
Electric wire is electrically connected to, in the retrieving position, switch element and the electric wire are electrically disconnected.
Typically, drawer type switchgear includes the recoil simulator of the position of switch element, and the recoil simulator is arranged in
On bogie and provide represent switch element physical location electric signal.
Traditionally, the recoil simulator includes two auxiliary contact devices, and each auxiliary contact device is by corresponding motion
Chain activates, and the kinematic chain is operably connected to worm screw, and the worm screw passes motion to truck assemblies.
Generally, using linear auxiliary contact device, wherein, one or more movable contacts relative to multiple fixed contacts with
The mode of linear movement is moved, to electrically connect fixed contact/electrically separated with fixed contact.
Because the recoil simulator of traditional type includes two differences of the position of switch element and separated signal chains,
The recoil simulator of traditional type has relatively huge size.
In addition, the recoil simulator assembling of the traditional type is relative complex under industrial level, is time-consuming and expensive.
The content of the invention
It is an object of the invention to provide a kind of low pressure or medium voltage switchgear equipment, the low pressure or medium voltage switchgear equipment permission gram
Take above mentioned problem.
More particularly, it is an object of the invention to provide a kind of switchgear, wherein, the recoil simulator of the position of switch element
It is with relatively small size and relatively easier to mount.
It is a further object to provide a kind of switchgear, the switchgear can be easily in industrial level
Under with competitive cost manufacture.
Therefore the invention provides a kind of switchgear, it includes：- switch element, the switch element include one or
Multiple electrodes；- truck assemblies, the switch element are arranged on the truck assemblies, and the truck assemblies being capable of phase
Moved for support frame；- actuation means, the actuation means are used to move the truck assemblies, the switch element
Can reversibly it be moved between insertion position and retrieving position, at the insertion position, the switch element is electrically connected to
Electric wire, in the retracted position, the switch element and the electric wire are electrically disconnected；- dynamoelectric signal device, the dynamoelectric signal
Device is arranged on the truck assemblies, and the dynamoelectric signal device interacts with the actuation means, is represented with providing
The switch element at the insertion position, in the retracted position or the electric signal in the position of middle position,
The centre position is different from the insertion position and the retrieving position；The dynamoelectric signal device includes：- auxiliary contact fills
Put, the auxiliary contact device includes：Fixed contact sub-component, the fixed contact sub-component have multiple fixed contacts；Can
Moving contact sub-component, the movable contact sub-component at least have movable contact, and the movable contact can touch with the fixation
Head is rotationally coupled；And rotary shaft, the rotary shaft rotated freely through around first axle and with the movable contact
Component is firmly connected；- the first signaling gear, first signaling gear include the with actuation means interaction
One actuating mechanism and the first actuator lever for being operably connected to first actuating mechanism, first actuating mechanism make described
First actuator lever is moved in a manner of linear movement between the first position and the second position, and the first position corresponds to described
The positions different from the retrieving position of switch element, the second place correspond to the withdrawal position of the switch element
Put；- secondary signal mechanism, the secondary signal mechanism include the second actuating mechanism to be interacted with the actuation means and can
The second actuator lever of second actuating mechanism is operatively coupled to, second actuating mechanism makes second actuator lever
Moved between three positions and the 4th position in a manner of linear movement, the 3rd position correspondence is in the switch element and institute
The different position in insertion position is stated, the 4th position correspondence is in the insertion position of the switch element；- motion transmission fills
Put, the motion gear makes first actuator lever and second actuator lever are mechanically coupled to the rotary shaft, institute
Stating the first actuator lever makes the rotary shaft in first rotation position in the centre position corresponding to the switch element and right
Reversibly moved between second rotation position of the retrieving position of switch element described in Ying Yu, second actuator lever makes institute
State rotary shaft first rotation position and corresponding to the switch element the insertion position the 3rd rotation position it
Between reversibly move.
In other side, the present invention relates to a kind of dynamoelectric signal device for switchgear, the switchgear bag
Include：- switch element, the switch element include one or more electrodes；- truck assemblies, the switch element are arranged on institute
State on truck assemblies, the truck assemblies can move relative to support frame；- actuation means, the actuation means are used
In moving the truck assemblies, the switch element can reversibly move between insertion position and retrieving position,
At the insertion position, the switch element is electrically connected to electric wire, in the retracted position, the switch element and the electricity
Line is electrically disconnected；The dynamoelectric signal device is arranged on the truck assemblies and interacted with the actuation means, with
There is provided represent the switch element at the insertion position, in the retracted position or in the position of middle position
Electric signal, the centre position is different from the insertion position and the retrieving position, and the dynamoelectric signal device includes：- auxiliary
Contact apparatus is helped, the auxiliary contact device includes：Fixed contact sub-component, the fixed contact sub-component have multiple fixations
Contact；Movable contact sub-component, the movable contact sub-component at least have a movable contact, the movable contact can with it is described
Fixed contact is rotationally coupled；And rotary shaft, the rotary shaft rotated freely through around first axle and with it is described movable
Contact sub-component firmly couples；- the first signaling gear, first signaling gear include interacting with the actuation means
The first actuating mechanism and be operably connected to the first actuator lever of first actuating mechanism, first actuating mechanism makes
First actuator lever is moved in a manner of linear movement between the first position and the second position, and the first position corresponds to
The positions different from the retrieving position of the switch element, the second place correspond to the receipts of the switch element
Return is put；- secondary signal mechanism, the secondary signal mechanism include the second actuating mechanism with actuation means interaction
With the second actuator lever for being operably connected to second actuating mechanism, second actuating mechanism makes second actuator lever
Moved between the 3rd position and the 4th position in a manner of linear movement, the 3rd position correspondence is in the switch element
The position different from the insertion position, the 4th position correspondence is in the insertion position of the switch element；- motion passes
Dynamic device, the motion gear make first actuator lever and second actuator lever mechanically join with the rotary shaft
Connect, first actuator lever makes the rotary shaft in first rotation position in the centre position corresponding to the switch element
And reversibly moved corresponding between the second rotation position of the retrieving position of the switch element, second actuator lever
Make the rotary shaft first rotation position and corresponding to the switch element the insertion position the 3rd rotation position
Reversibly moved between putting.
Brief description of the drawings
Other features and advantages of the present invention by from according to the present invention switchgear preferred but non-exclusive embodiment
Description in show, provide the non-limiting example of the embodiment in the accompanying drawings, wherein：
Fig. 1 is shown in preferred embodiment according to the schematic, exploded of the switchgear of the present invention；
Fig. 2 shows the schematic diagram of Fig. 1 switchgear, wherein, switch element is in insertion position；
Fig. 3 shows the schematic diagram of Fig. 1 switchgear, wherein, switch element is in retrieving position；
Fig. 4 to Fig. 8 shows the schematic diagram of the different piece of the dynamoelectric signal device in the switchgear for being included in Fig. 1,
Wherein, switch element is in insertion position；
Fig. 9 to Figure 13 shows the schematic diagram of the different piece of the dynamoelectric signal device, wherein, switch element, which is in, to be received
Return is put；
Figure 14 to Figure 16 shows the schematic diagram of the different piece of the dynamoelectric signal device, wherein, switch element is in
Insertion position；
Figure 17 shows the schematic, exploded of a part for the dynamoelectric signal device；
Figure 18 to Figure 19 shows other schematic diagrames of the different piece of the dynamoelectric signal device；
Figure 20 shows the schematic diagram of the signal circuit of the dynamoelectric signal device.
Embodiment
With reference to cited accompanying drawing, the present invention relates to a kind of drawer type low pressure or medium voltage switchgear equipment 1.
Switchgear 1 includes switch element 2, and the switch element includes one or more electrodes 21.
Each electrode 21 at least has fixed switch contact and moveable switch contact (not shown), and the fixed switch touches
Head and moveable switch contact can be coupled to each other/separate.
In addition, each electrode 21 includes breaking contact 211, the breaking contact 211 causes each electrode 21 and electric wire
Corresponding phase contact be connected.
Switchgear 1 includes truck assemblies 4, and switch element 2 is arranged on the truck assemblies.
Truck assemblies 4 can move relative to fixed support frame frame 3, and the fixed support frame frame for example can be switch
The supporing shell of equipment 1 or the panel of distribution board, switchgear 1 are arranged in the supporing shell or panel.
Advantageously, truck assemblies 4 include Shaped shell 41, and the Shaped shell defines internal capacity and advantageously
Outside wheel or roller 42 are provided with, the supporting guide part that the outside wheel or roller fit along support frame 3 (does not show
Go out) slide.
The conventional installation constitution of reference switch equipment 1, switch element 2 are arranged on truck assemblies 4 at its lower wall 210
(Fig. 1).
In practice, truck assemblies 4 form the moveable base for switch element 2, and the moveable base can be relative
Moved in support frame 3.
Switchgear 1 includes being used for the actuation means 5 for moving truck assemblies 4.
Preferably, the actuation means include electro-motor 51 and worm screw 52, and the worm screw is operably linked to electronic
The axle (end in its end) of motor, rotated to be driven by electro-motor.
By control device order electro-motor 51, the control device can be the control unit of switchgear 1, relay
Or another control device.
Preferably, electro-motor 51 is firmly attached either directly or indirectly support frame 3, and worm screw 52 and the shaping of truck assemblies 4
Screwed hole or bushing at the wall of housing 41 are operatively coupled.
By this way, when activating worm screw by electro-motor 51, the rotary motion of worm screw 52 causes the edge of truck assemblies 4
The longitudinal axis for worm screw moves linearly, and truck assemblies 4 move on the supporting guide part of support frame 3.
Preferably, worm screw 52 can also be operated by hand-operated tools (for example, crank), to be inserted in appropriate manipulation portions
In (not shown), user can enter the manipulation portions.
As described above, switch element 2 is arranged on truck assemblies 4 and is firmly fixed on one with truck assemblies
Rise.By this way, when truck assemblies 4 move, switch element 2 therewith moves in the way of translational motion.
Therefore switch element 2 can reversibly move (together with truck assemblies 4) relative to support frame 3.
Especially, switch element 2 can move between insertion position A and retrieving position B, at insertion position, switch
Unit is electrically connected to electric wire (not shown), electrically disconnected with electric wire in retracted position, switch element.
When switch element 2 is in insertion position A, the breaking contact 211 of switch element is electrically coupled to the corresponding phase of electric wire
Position contact.
When switch element 2 is in retrieving position B, the phase contact of breaking contact 211 and electric wire is electrically disconnected and positions
Leaving at the safe distance of phase contact one.
When moving when being moved between insertion position A and retrieving position B and between retrieving position and insertion position, open
Unit 2 is closed by centre position C.
In the context of the present invention, centre position C be switch element 2 with insertion position A and retrieving position B differences simultaneously
And any position between described position A, B.
As 2 C in an intermediate position of switch element, the phase contact of breaking contact 211 and electric wire is electrically disconnected, but delocalization
Leaving at the safe distance of phase contact one.
Switchgear 1 includes dynamoelectric signal device 6, and the dynamoelectric signal device is arranged on truck assemblies 4.
In the internal capacity of housing 41, recoil simulator 6 is airborne to be housed on truck assemblies 4.
Recoil simulator 6 is suitable to interact and (especially, interact with worm screw 52) with actuation means 5, to provide telecommunications
Number I1, I2, described electric signal I1, I2 represent switch element 2 at the A of insertion position, at retrieving position B or in centre position
Position at C.
Recoil simulator 6 includes auxiliary contact device 7.
Auxiliary contact device 7 includes fixed contact sub-component 71, and the fixed contact sub-component is provided with multiple fixations and touched
Head, it is preferably provided with a pair of first fixed contacts 711 and a pair of second fixed contacts 712.
Auxiliary contact device 7 includes movable contact sub-component 72, and the movable contact sub-component is provided with one or more
Movable contact 721, one or more of movable contacts be able to can revolve with the fixed contact 711,721 of fixed contact sub-component 71
Turn ground connection.
Preferably, movable contact sub-component 72 includes a pair of movable contacts 721, and the pair of movable contact can be with first
It is rotationally coupled with the second fixed contact 711,712.
Auxiliary contact device 7 also includes rotary shaft 73, and the rotary shaft firmly couples with movable contact sub-component 72.
Rotary shaft 73 rotates freely through around first axle 100.
Especially, rotary shaft 73 can the first rotation position R1, the second rotation position R2 and the 3rd rotation position R3 it
Between reversibly rotate, in the first rotational position, movable contact 721 does not couple with the first and second fixed contacts 711,712,
Second rotational position, movable contact 721 couple with the first fixed contact 711, in the 3rd rotational position, movable contact 721
Couple with the second fixed contact 712.
As will be more clearly described below, dynamoelectric signal device 6 is configured so that：
- as 2 C in an intermediate position of switch element, rotary shaft 73 is in the first rotation position R1；
- when switch element 2 is in retrieving position B, rotary shaft 73 is in the second rotation position R2；
- when switch element 2 is in insertion position A, rotary shaft 73 is in the 3rd rotation position R3.
Preferably, dynamoelectric signal device 6 includes the first signal circuit 751 and secondary signal circuit 752, first signal
Circuit and secondary signal circuit make auxiliary contact device 7 be electrically connected with control unit 200, and described control unit can be that switch is set
Standby 1 control unit, relay or another control device.
First and second signal circuits 751,752 provide the electric signal for the position for representing switch element 2 to control unit 200
I1, I2 (preferably, in the form of signal code).
First and second fixed contacts 711,712 are connected with the first and second signal circuits 751,752 respectively.
When rotary shaft 73 is in the first rotation position R1 corresponding to the centre position C of switch element 2, because movable touch
First 721 do not couple with fixed contact 711-712, so the first and second signal circuits do not provide electric signal I1, I2.
Advantageously, control unit 200 is arranged to read electric signal I1, I2 missing and is centrally positioned as switch element 2
Information at the C of position.By this way, it is not necessary to arrange that the 3rd special fixed contact and corresponding 3rd signal circuit are used for
Send 2 C in an intermediate position of switch element signal.
When rotary shaft 73 is in the second rotation position R2 corresponding to the retrieving position B of switch element 2, because movable touch
First 721 couple with the first fixed contact 711, so the first electric signal I1 flows through the first signal circuit 751.And secondary signal
Circuit 752 does not provide electric signal I2.
When rotary shaft 73 is in the 3rd rotation position R3 corresponding to the insertion position A of switch element 2, because movable touch
First 721 couple with the second fixed contact 712, so the second electric signal I2 flows through secondary signal circuit 752.And the first signal
Circuit 751 does not provide electric signal I1.
Dynamoelectric signal device 6 includes the first signaling gear 8, secondary signal mechanism 9 and motion gear 11, the motion
Transmission device 11 makes first and second mechanism couple with the rotary shaft 73 of auxiliary contact device 7.
First signaling gear 8 includes the first actuating mechanism 81, first actuating mechanism and actuation means 5, especially with
Worm screw 52 interacts.
First signaling gear 8 also includes the first actuator lever 82, and first actuator lever is operably connected to the first actuating
Mechanism 81.
First actuating mechanism 81 is configured to make the first actuator lever 82 between first position B1 and second place B2 with linear
The mode of motion is moved, and the first position corresponds to the position As or C different from retrieving position B of switch element 2, and described the
Two position correspondences are in retrieving position B.
First actuating mechanism 81 includes the first tie point 83, and at first tie point, it can with the first actuator lever 82
It is operatively connected.
Preferably, when switch element 2 reaches or left retrieving position B, the first actuating mechanism 81 is started by worm screw 82, no
Then it is maintained at dormant state.
Advantageously, the first actuating mechanism 81 includes the first system with lever and spring, and the lever and spring are appropriate
Ground arranges (or even scheme according to known type) into cooperating and make the linear movement of the first tie point 83.
Secondary signal mechanism 9 includes the second actuating mechanism 91, second actuating mechanism and actuation means 5, especially with
Worm screw 52 interacts.
Secondary signal mechanism 9 also includes the second actuator lever 92, and second actuator lever is operably connected to the second actuating
Mechanism 91.
Second actuating mechanism 91 is configured to make the second actuator lever 92 between the 3rd position A1 and the 4th position A2 with linear
The mode of motion is moved, and the 3rd position correspondence is in the position Bs or C different from insertion position A of switch element 2, and described
Four position correspondences are in insertion position A.
Second actuating mechanism 91 includes the second tie point 93, and at second tie point, it can with the second actuator lever 92
It is operatively connected.
Preferably, when switch element 2 reaches or left insertion position A, actuating mechanism 91 is started by worm screw 52, otherwise its
Keep dormant state.
Advantageously, the second actuating mechanism 91 includes the second system with lever and spring, and the lever and spring are appropriate
Ground arranges (or even scheme according to known type) into cooperating and make the linear movement of the second tie point 93.
Preferably, worm screw 52 includes multiple horizontal start pins 521, and the multiple horizontal start pin protrusion is to start the first He
Second actuating mechanism 81,91.
Motion gear 11 makes the first actuator lever 82 and the second actuator lever 92 and the machine of rotary shaft 73 of auxiliary contact device 7
Couple tool.
Motion gear 11 be configured so that the first actuator lever 82 rotary shaft 73 can be made in the first rotation position R1 and
Reversibly moved between second rotation position R2 and enable the second actuator lever 92 to make rotary shaft 73 in the first rotation position
Reversibly moved between R1 and the 3rd rotation position R3.
Preferably, motion gear 11 includes crank member 12, and the crank member is firmly coupled to auxiliary contact
The rotary shaft 73 of device 7 so that it rotates around the same rotation axis 100 of rotary shaft 73.
Preferably, motion gear 11 includes motion transmission pin 13, and the motion transmission pin is along second axis from song
Handle component 12 is protruded, and the second axis is spaced apart parallel to first axle 100 and with first axle.
During rotary shaft 72 and crank member 12 rotate, motion transmission pin 13 is along being centrally located on first axle 100
Circumferential section motion.
The actuator lever 82,92 of motion transmission pin 13 and first and second is operatively coupled and by the first and second actuator levers
82nd, 92 appropriate contact surface actuating.
Preferably, the first actuator lever 82 includes：First plate part 821, first plate part is relative to first axle 100
It is vertically oriented；It is vertically oriented relative to the first plate part 821 with the second plate part 822, second plate part.
Preferably, the first plate part 821 includes the first slit 823, and first slit is provided with one or more first
Contact surface 824, first contact surface have motion transmission pin 13.
Preferably, motion transmission pin 13 passes through the first slit 823, the first contact surface 824 by the first slit 823 inner edge
Edge is formed, and motion transmission pin 13 slidably couples with the first contact surface.
Preferably, the first contact surface 824 of the first actuator lever 82 has crooked outline.By this way, the first actuating
The translational motion of bar 82 causes motion transmission pin 13 to rotate.
Preferably, the first slit 823 is positioned at the end 821A of the first plate part 821, and the end is located relative to
The distal position of two plate parts 822.
Preferably, the second plate part 822 includes the first flush end portion 822A and the second flush end portion 822B, the first flush end portion
It is located relative to the proximal position and distal position of the first plate part 821 respectively with the second flush end portion.
Preferably, at the second flush end portion 822B, the second plate part 822 includes the first connecting hole 825, herein, first
Actuator lever 82 is operably connected with the first actuating mechanism 81 at the first tie point 83 of first actuating mechanism.
Preferably, between the first flush end portion 822A and the second flush end portion 822B, the second plate part 822 includes the first center
Subdivision 822C, first central subsection are configured to form groove relative to the slip plane of the second flat 822.
Preferably, the second actuator lever 92 includes：3rd plate part 921, the 3rd plate part is relative to first axle 100
It is vertically oriented；4th plate part 922, the 4th plate part are vertically oriented relative to the 3rd plate part 921.
Preferably, the 3rd plate part 921 includes the second slit 923, and second slit is provided with one or more second
Contact surface 924, second contact surface have motion transmission pin 13.
Preferably, motion transmission pin 13 passes through the second slit 923, the second contact surface 924 by the second slit 923 inner edge
Edge is formed, and motion transmission pin 13 slidably couples with second contact surface.
Preferably, the second contact surface 924 of the second actuator lever 92 has crooked outline.By this way, the second actuating
The translational motion of bar 92 causes motion transmission pin 13 to rotate.
Preferably, the second slit 923 is positioned at the end 921A of the 3rd plate part 921, and the end is located relative to
The distal position of four plate parts 922.
Preferably, the 4th plate part 922 includes the 3rd flush end portion 922A and Siping City end 922B, the 3rd flush end portion
It is located relative to the proximal position and distal position of the 3rd plate part 921 respectively with Siping City end.
Preferably, at the 922B of Siping City end, the 4th plate part 922 includes the second connecting hole 925, herein, second
Actuator lever 92 is operably connected with the second actuating mechanism 91 at the second tie point 93 of the second actuating mechanism.
Preferably, between the 3rd flush end portion 922A and Siping City end 922B, the 4th plate part 922 includes the second center
Subdivision 922C, the second central subsection 922C are configured to be formed relative to the slip plane of the 4th flat 922 recessed
Groove.
Preferably, the 3rd plate part 921 at least portion of the first plate part 821 of the first actuator lever 82 and the second actuator lever 92
Divide overlapped.
Especially, the first plate part 821 and the 3rd plate part 921 are overlapping in their end, their end difference
Including the first slit 823 and the second slit 923, at the first slit and the second slit they with motion transmission pin 13 operationally
Connection.
In practice, when the first actuator lever 82 and the second actuator lever 92 are moved, the first plate part 821 and the 3rd plate part
921 slide relative to one another along the parallel plane perpendicular to first axle 100.By this way, they can keep and move
The operable connection of trundle 13.
Preferably, the first contact surface 824 of the first actuator lever 82 and the second contact surface 924 of the second actuator lever 92 have
There is the crooked outline of complementation so that motion transmission pin 13 couples with one or more whole contact surfaces with crescent-shaped.
By this way, the translational motion of the first actuator lever 82 and the second actuator lever 92 causes motion transmission pin 13 in
Same circumference of the heart on first axle 100 rotates.
Preferably, dynamoelectric signal device 6 includes the first limit switch 15, and first limit switch is electrically connected to electronic horse
Up to 51, to provide the first control signal C1, to make electro-motor 52 be able to carry out the recovery operation of switch element 2.
Preferably, the second plate part 822 of the first limit switch 15 and the first actuator lever 82 is operatively coupled and phase
It is in a fixed position for the second plate part.By this way, according to the operating position of the first actuator lever 82, activation/deactivation
One limit switch.
When the first actuator lever 82 is in first position B1, because the of the first limit switch 15 and the second plate part 822
One flush end portion 822A is contacted, so it is activated.
In this case, the first limit switch 15 generates control signal C1, and the control signal makes electro-motor 51
The recovery operation of switch element 2 can be carried out.
When the first actuator lever 82 is in second place B2, the first limit switch 15 is disabled.In fact, because the first limitation
Switch be positioned at the first central fovea channel-shaped subdivision 822C of the second plate part 822, so its no longer with the first actuator lever 82
Contact.
In this case, the first limit switch 15 no longer produces control signal C1, and electro-motor 51 is prevented from execution and opened
Close the recovery operation of unit 2.
Preferably, dynamoelectric signal device 6 includes the second limit switch 16, and second limit switch is electrically connected to electronic horse
Up to 51, to provide the second control signal C2, second control signal makes electro-motor 51 be able to carry out the insertion of switch element 2
Operation.
Preferably, the 4th plate part 922 of the second limit switch 16 and the second actuator lever 92 be operatively coupled and its
It is in a fixed position relative to the 4th plate part.By this way, according to the operating position of the second actuator lever 92, activation/deactivation
Second limit switch.
When the second actuator lever 92 is located at the 3rd position A1, because the of the second limit switch 16 and the 4th plate part 922
Three flush end portion 922A are in contact, so it is activated.
In this case, the second limit switch 16 generates the second control signal C2, and second control signal makes electricity
Dynamic motor 51 is able to carry out the insertion operation of switch element 2.
When the second actuator lever 92 is in the 4th position A2, the second limit switch 16 is disabled.In fact, because the second limitation
Switch be positioned at the second central fovea channel-shaped subdivision 922C of the 4th plate part 922, so its no longer with the second actuator lever 92
Contact.
In this case, the second limit switch 16 no longer produces the second control signal C2, and electro-motor 51 is prevented from holding
The insertion operation of row switch element 2.
Preferably, dynamoelectric signal device 6 includes multiple supporting plates 61,62,63, and the multiple supporting plate is coupled to each other and consolidated
Surely the housing 41 of truck assemblies 4 is arrived.
The supporting plate be suitably shaped and arranged as keep auxiliary contact device 7, motion gear 11, actuator lever 81,
82 and limit switch 15,16 be in their Support Position.
The operation of dynamoelectric signal device 6 will be described in further detail now.
It is assumed that switch element 2 is initially at insertion position A.
In this case：
- because switch element 2 is in the position (insertion position A) different from retrieving position B, at the first actuator lever 82
In first position B1；
- the second actuator lever 92 is in the 4th position A2, and the 4th position correspondence is in the insertion position A of switch element 2；
The axle 73 of-auxiliary contact device 7 is in the 3rd rotation position R3, and the 3rd rotation position corresponds to switch element
2 insertion position A；
- movable contact 721 couples with this to the second fixed contact 712, and the second electric signal I2 flows through the second letter
Number circuit 752；
- start the first limit switch 15.Electro-motor 51 is set to be able to carry out the recovery operation of switch element 2；
- disable the second limit switch 16.Prevent electro-motor 51 from performing the insertion operation of switch element 2.
Currently assume that actuation means 5 are command by performing the recovery operation of switch element 2.
When switch element 2 leaves insertion position A：
- worm screw 52 starts the second actuating mechanism 91, and the second actuating mechanism makes the second actuator lever 92 be transported according to first direction D1
Dynamic (Fig. 6)；
- because switch element 2 is in the position (centre position C) different from insertion position A, make the second actuator lever 92
Move to the 3rd position A1；
Second contact surface 924 of the-the second actuator lever 92 causes motion transmission pin 13 to be rotated according to the first direction of rotation P1；
- axle 73 of auxiliary contact device 7 is moved to the first rotation position R1, first rotation position corresponds to switch
The centre position C of unit 2；
- movable contact 721 does not couple with fixed contact 711,712, does not have electric signal I1, I2 to flow through first and second
Signal circuit 751,752；
- start the second limit switch 16.Electro-motor 51 is set to be able to carry out the insertion operation of switch element 2；
- do not start the first actuating mechanism 81, move the first actuator lever 82, and the first limit switch 15 keeps being opened
It is dynamic.
It was demonstrated that the second actuator lever 92 is once just no longer moved in the 3rd position A1, the receipts until completing switch element 2
Return operation.Therefore the second limit switch 16 keeps being activated.
When switch element 2 eventually arrives at retrieving position B：
- worm screw 52 starts the first actuating mechanism 81, and the first actuating mechanism makes the first actuator lever 82 according to first direction D1 (figures
15) move；
- the first actuator lever 82 is moved to second place B2, the second place corresponds to the retrieving position of switch element 2
B；
- because switch element 2 is in the position (retrieving position B) different from insertion position A, at the second actuator lever 92
In the 3rd position A1；
First contact surface 824 of the-the first actuator lever 82 causes motion transmission pin 13 to be rotated according to the first direction of rotation P1；
- axle 73 of auxiliary contact device 7 is moved to the second rotation position R2, second rotation position corresponds to switch
The retrieving position B of unit 2；
- movable contact 721 couples with the first fixed contact 711, and the first electric signal I1 flows through the first signal circuit
751；
- disable the first limit switch 15.Electro-motor 51 is set to be no longer able to perform the recovery operation of switch element 2；
- do not start the second actuating mechanism 91, and move the second actuator lever 92；
- the second limit switch 16 keeps being activated.
Currently assume that actuation means 5 are command by performing the insertion operation of switch element 2.
When switch element 2 leaves retrieving position B：
- worm screw 52 start the first actuating mechanism 81, the first actuating mechanism make the first actuator lever 82 according to first direction D1
Opposite second direction D2 motions (Figure 11)；
- because switch element 2 is in the position (centre position C) different from retrieving position B, make the first actuator lever 82
Move to first position B1；
First contact surface 824 of the-the first actuator lever 82 cause motion transmission pin 13 according to the first direction of rotation P1 phases
Anti- the second direction of rotation P2 rotations；
- axle 73 of auxiliary contact device 7 is moved to the first rotation position R1；
- movable contact 721 does not couple with fixed contact 711,712, and does not have electric signal I1, I2 to flow through the first and
Secondary signal circuit 751,752；
- start the first limit switch 15.Electro-motor 51 is set to be able to carry out the recovery operation of switch element 2；
- do not start the second actuating mechanism 91, move the second actuator lever 92, and the second limit switch 16 keeps being opened
It is dynamic.
It was demonstrated that the first actuator lever 82 is once just no longer moved in first position B1.Therefore the first limit switch 15 is protected
Hold and be activated, the insertion operation until completing switch element 2.
When switch element 2 eventually arrives at insertion position A：
- worm screw 52 starts the second actuating mechanism 91, and second actuating mechanism makes the second actuator lever 92 according to second direction
D2 (Figure 15) is moved；
- the second actuator lever 92 is moved to the 4th position A2, the 4th position correspondence is in the insertion position of switch element 2
A；
- because switch element 2 is in the position (insertion position A) different from retrieving position B, the first actuator lever 82 is protected
Hold in first position B1；
Second contact surface 924 of the-the second actuator lever 92 causes motion transmission pin 13 to be rotated according to the second direction of rotation P2；
- axle 73 of auxiliary contact device 7 is moved to the 3rd rotation position R3；
- movable contact 721 couples with the second fixed contact 712, and the second electric signal I2 flows through secondary signal circuit
752；
- disable the second limit switch 16.Prevent electro-motor 51 from performing the insertion operation of switch element 2；
- do not start the first actuating mechanism 81, and move the first actuator lever 82；
- the first limit switch 15 keeps being activated.
Dynamoelectric signal device is described with reference to the complete insertion operation or complete recovery operation performed by actuation means 5
6 function.
Technical staff will understand certainly, when actuator lever 82,92 is respectively at operating position B1 and A1 simultaneously, insert
Enter/recovery operation can overturn.
In fact, in this case, both the first and second limit switches 15,16 are activated, and make electronic horse
Up to both 51 recovery operations for being able to carry out switch element 2 and insertion operation.
If interruption and reverse insertion/recovery operation, the appropriate part that dynamoelectric signal device 6 will circulate according to aforesaid operations
Operation.
Expected purpose and target are allowed for according to the switchgear of the present invention.
Include the single auxiliary contact device of rotation type according to the dynamoelectric signal device of the switchgear of the present invention, opening
During the insertion or the recovery operation that close unit, the single auxiliary contact device is by the signaling gear alternate actuation.
This allows to integrate what is generally in traditional scheme by two auxiliary contact devices separated implemented in single assembly
Function.
In addition, this allows to simplify the kinematic chain started by actuation means in structure.
These technical characteristics allow relative to the technical scheme being currently available realize dynamoelectric signal device weight and
The notable mitigation of size and the dependency structure of dynamoelectric signal device simplify.
Relative to legacy equipment, therefore it is more prone to and inexpensively in industrial level according to the switchgear of the present invention
Assemble and install at the scene.
Claims (17)
1. a kind of switchgear (1), it includes：
- switch element (2), the switch element include one or more electrodes (21)；
- truck assemblies (4), the switch element are arranged on the truck assemblies, and the truck assemblies can be relative
Moved in support frame (3)；
- actuation means (5), the actuation means are used to move the truck assemblies, and the switch element can insert
Reversibly moved between position (A) and retrieving position (B), at the insertion position, the switch element is electrically connected to electric wire,
In the retracted position, the switch element and the electric wire are electrically disconnected；
- dynamoelectric signal device (6), the dynamoelectric signal device are arranged on the truck assemblies, the dynamoelectric signal device
With the actuation means interact, with provide represent the switch element at the insertion position (A) place, in the withdrawal position
Put (B) place or the electric signal in the position at centre position (C) place, the centre position and the insertion position and the withdrawal
Position is different；
Characterized in that, the dynamoelectric signal device includes：
- auxiliary contact device (7), the auxiliary contact device include：Fixed contact sub-component (71), the fixed contact subgroup
Part has multiple fixed contacts (711,712)；Movable contact sub-component (72), the movable contact sub-component at least have movable
Contact (721), the movable contact can be rotationally coupled with the fixed contact；With rotary shaft (73), the rotary shaft
Rotate freely through around first axle (100) and be firmly connected with the movable contact sub-component (72)；
- the first signaling gear (8), first signaling gear include the first actuating mechanism with actuation means interaction
(81) and the first actuator lever (82) of first actuating mechanism is operably connected to, first actuating mechanism makes described
One actuator lever is moved between first position (B1) and the second place (B2) in a manner of linear movement, and the first position is corresponding
In the positions (A, C) different from the retrieving position (B) of the switch element, it is single that the second place corresponds to the switch
The retrieving position (B) of member；
- secondary signal mechanism (9), the secondary signal mechanism include the second actuating mechanism with actuation means interaction
(91) and the second actuator lever (92) of second actuating mechanism is operably connected to, second actuating mechanism makes described
Two actuator levers are moved between the 3rd position (A1) and the 4th position (A2) in a manner of linear movement, the 3rd position correspondence
In the positions (B, C) different from the insertion position (A) of the switch element, the 4th position correspondence is single in the switch
The insertion position (A) of member；
- motion gear (11), the motion gear make first actuator lever (82) and second actuator lever
(92) it is mechanically coupled to the rotary shaft (73), first actuator lever makes the rotary shaft corresponding to the switch element
The centre position (C) the first rotation position (R1) and the retrieving position (B) corresponding to the switch element
Reversibly moved between two rotation positions (R2), second actuator lever makes the rotary shaft in first rotation position (R1)
And reversibly moved corresponding between the 3rd rotation position (R3) of the insertion position (A) of the switch element.
2. switchgear according to claim 1, it is characterised in that the motion gear (11) includes：Crank structure
Part (12), the crank member are firmly coupled to the rotary shaft；Motion transmission pin (13), the motion transmission pin is along
Two axis protrude from the crank member, the second axis parallel to the first axle and with the first axle interval
Open, the motion transmission pin is operatively coupled with first actuator lever and second actuator lever.
3. switchgear according to claim 1, it is characterised in that first actuator lever (82) includes：First plate portion
Divide (821), first plate part is vertically oriented relative to the first axle；With the second plate part (822), described second
Plate part is vertically oriented relative to first plate part.
4. switchgear according to claim 2, it is characterised in that first actuator lever (82) includes：First plate portion
Divide (821), first plate part is vertically oriented relative to the first axle；With the second plate part (822), described second
Plate part is vertically oriented relative to first plate part.
5. according to the switchgear described in any one of claim 1-3, it is characterised in that the second actuator lever (92) bag
Include：3rd plate part (921), the 3rd plate part are vertically oriented relative to the first axle；4th plate part
(922), the 4th plate part is vertically oriented relative to the 3rd plate part.
6. switchgear according to claim 4, it is characterised in that second actuator lever (92) includes：3rd plate portion
Divide (921), the 3rd plate part is vertically oriented relative to the first axle；4th plate part (922), the 4th plate
Part is vertically oriented relative to the 3rd plate part.
7. switchgear according to claim 6, it is characterised in that first plate part (821) and the 3rd plate
Partly (921) are at least partly overlapped and are mechanically coupled to the motion gear.
8. switchgear according to claim 7, it is characterised in that first plate part (821) includes the first slit
(823), first slit is provided with one or more first contact surfaces (824), and the motion transmission pin (13) passes through institute
State the first slit.
9. switchgear according to claim 7, it is characterised in that the 3rd plate part (921) includes the second slit
(923), second slit is provided with one or more second contact surfaces (924), and the motion transmission pin (13) passes through institute
State the second slit.
10. switchgear according to claim 8, it is characterised in that the 3rd plate part (921) includes the second slit
(923), second slit is provided with one or more second contact surfaces (924), and the motion transmission pin (13) passes through institute
The second slit is stated, first contact surface and second contact surface have complementary crooked outline so that described first
Actuator lever (82) and second actuator lever (92) make the motion transmission pin (13) along center in the first axle (100)
On circumferential section reversibly move.
11. according to the switchgear described in any one of claim 1-3, it is characterised in that the dynamoelectric signal device (6)
Including the first limit switch (15), first limit switch provides the electronic horse for making to be included in the actuation means (5)
Worked up to (51)/inoperative control signal (C1), to perform the recovery operation of the switch element (2).
12. according to the switchgear described in any one of claim 6-10, it is characterised in that the dynamoelectric signal device
(6) include the first limit switch (15), first limit switch provide make to be included in it is electronic in the actuation means (5)
Motor (51) works/inoperative control signal (C1), to perform the recovery operation of the switch element (2).
13. switchgear according to claim 12, it is characterised in that first limit switch (15) and described first
Second plate part (822) of actuator lever (82) is operatively coupled.
14. according to the switchgear described in any one of claim 1-3, it is characterised in that the dynamoelectric signal device (6)
Including the second limit switch (16), second limit switch provides the electronic horse for making to be included in the actuation means (5)
Worked up to (51)/inoperative second control signal (C2), to perform the insertion operation of the switch element (2).
15. according to the switchgear described in any one of claim 6-10, it is characterised in that the dynamoelectric signal device
(6) include the second limit switch (16), second limit switch provide make to be included in it is electronic in the actuation means (5)
Motor (51) works/inoperative second control signal (C2), to perform the insertion operation of the switch element (2).
16. switchgear according to claim 15, it is characterised in that second limit switch (16) and described second
The 4th plate part (922) of actuator lever (92) is operatively coupled.
17. one kind is used for the dynamoelectric signal device (6) of switchgear (1), the switchgear (1) includes：
- switch element (2), the switch element include one or more electrodes (21)；
- truck assemblies (4), the switch element are arranged on the truck assemblies, and the truck assemblies can be relative
Moved in support frame (3)；
- actuation means (5), the actuation means are used to move the truck assemblies, and the switch element can insert
Reversibly moved between position (A) and retrieving position (B), at the insertion position, the switch element is electrically connected to electric wire,
In the retracted position, the switch element and the electric wire are electrically disconnected；
The dynamoelectric signal device (6) is arranged on the truck assemblies and interacted with the actuation means, to carry
For the expression switch element at the insertion position (A) place, at the retrieving position (B) place or at centre position (C) place
Position electric signal, the centre position is different from the insertion position and the retrieving position,
Characterized in that, the dynamoelectric signal device includes：
- auxiliary contact device (7), the auxiliary contact device include：Fixed contact sub-component (71), the fixed contact subgroup
Part has multiple fixed contacts (711,712)；Movable contact sub-component (72), the movable contact sub-component at least have movable
Contact (721), the movable contact can be rotationally coupled with the fixed contact；With rotary shaft (73), the rotary shaft
Rotate freely through around first axle (100) and firmly couple with the movable contact sub-component (72)；
- the first signaling gear (8), first signaling gear include the first actuating mechanism with actuation means interaction
(81) and the first actuator lever (82) of first actuating mechanism is operably connected to, first actuating mechanism makes described
One actuator lever is moved between first position (B1) and the second place (B2) in a manner of linear movement, and the first position is corresponding
In the positions (A, C) different from the retrieving position (B) of the switch element, it is single that the second place corresponds to the switch
The retrieving position (B) of member；
- secondary signal mechanism (9), the secondary signal mechanism include the second actuating mechanism with actuation means interaction
(91) and the second actuator lever (92) of second actuating mechanism is operably connected to, second actuating mechanism makes described
Two actuator levers are moved between the 3rd position (A1) and the 4th position (A2) in a manner of linear movement, the 3rd position correspondence
In the positions (B, C) different from the insertion position (A) of the switch element, the 4th position correspondence is single in the switch
The insertion position (A) of member；
- motion gear (11), the motion gear make first actuator lever (82) and second actuator lever
(92) it is mechanically coupled to the rotary shaft (73), first actuator lever makes the rotary shaft corresponding to the switch element
The centre position (C) the first rotation position (R1) and the retrieving position (B) corresponding to the switch element
Reversibly moved between two rotation positions (R2), second actuator lever makes the rotary shaft in first rotation position (R1)
And reversibly moved corresponding between the 3rd rotation position (R3) of the insertion position (A) of the switch element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14154093.0 | 2014-02-06 | ||
| EP14154093.0A EP2905853B8 (en) | 2014-02-06 | 2014-02-06 | A switchgear apparatus of the withdrawable type |
| PCT/EP2015/051540 WO2015117858A1 (en) | 2014-02-06 | 2015-01-27 | A switchgear apparatus of the withdrawable type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105934856A CN105934856A (en) | 2016-09-07 |
| CN105934856B true CN105934856B (en) | 2018-03-09 |
Family
ID=50033418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580005966.7A Active CN105934856B (en) | 2014-02-06 | 2015-01-27 | Drawer type switchgear |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9843173B2 (en) |
| EP (1) | EP2905853B8 (en) |
| CN (1) | CN105934856B (en) |
| WO (1) | WO2015117858A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD777116S1 (en) | 2014-09-24 | 2017-01-24 | Abb Technology Ag | Switching device with front cover |
| KR101759604B1 (en) * | 2016-04-20 | 2017-07-19 | 엘에스산전 주식회사 | Draw in and out type circuit breaker |
| CN206471986U (en) * | 2016-12-23 | 2017-09-05 | Abb瑞士股份有限公司 | The drive device of vacuum circuit breaker chassis |
| EP3358587B1 (en) * | 2017-02-03 | 2020-08-26 | ABB Schweiz AG | A medium voltage switching apparatus |
| USD880435S1 (en) * | 2018-07-02 | 2020-04-07 | Abb Schweiz Ag | Cover plate for switches |
| US10541519B1 (en) * | 2018-10-10 | 2020-01-21 | Hamilton Sundstrand Corporation | Large current circuit breaker plug-in installation |
| CN109560497B (en) * | 2018-12-29 | 2024-04-30 | 天水长城开关厂集团有限公司 | Auxiliary handcart position signal feedback device of movable switch cabinet |
| USD883232S1 (en) * | 2018-12-31 | 2020-05-05 | Abb Schweiz Ag | Switch with a cover plate |
| ES2957839T3 (en) * | 2019-05-29 | 2024-01-26 | Abb Schweiz Ag | Enhanced diagnostic solutions for medium voltage switchgear |
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|---|---|---|---|---|
| DE19619452A1 (en) * | 1996-05-14 | 1997-11-20 | Abb Patent Gmbh | Plug-in unit for control panel for MV or LV switchgear |
| CN101841134A (en) * | 2009-03-20 | 2010-09-22 | Abb技术有限公司 | Electric switchgear |
| CN103035428A (en) * | 2011-10-04 | 2013-04-10 | Abb技术股份公司 | An auxiliary contact device for medium voltage switching apparatuses |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3772489A (en) * | 1972-07-17 | 1973-11-13 | Ite Imperial Corp | Racking safety disconnect switch for vacuum circuit breakers |
| US3778568A (en) * | 1972-08-21 | 1973-12-11 | Ite Imperial Corp | Draw out switchgear-compartment shutter |
| JP2610299B2 (en) * | 1988-05-16 | 1997-05-14 | 株式会社東芝 | Vacuum circuit breaker |
| KR100505052B1 (en) * | 2003-04-24 | 2005-08-02 | 엘에스산전 주식회사 | Withdrawable devise of main circuit for vacuum circuit breaker |
| US7053327B2 (en) * | 2004-10-26 | 2006-05-30 | Eaton Corporation | Apparatus and method for use in circuit interrupters |
| US7696447B2 (en) * | 2007-06-01 | 2010-04-13 | Eaton Corporation | Electrical switching apparatus and stored energy assembly therefor |
| KR101117975B1 (en) * | 2009-03-11 | 2012-03-14 | 엘에스산전 주식회사 | Withdrawable device of main circuit for vacuum circuit breaker |
| KR101036989B1 (en) * | 2009-12-23 | 2011-05-26 | 엘에스산전 주식회사 | Interlock apparatus of ground switch for vacuum circuit breaker |
| KR101100707B1 (en) * | 2009-12-31 | 2012-01-02 | 엘에스산전 주식회사 | Vacuum circuit breaker |
| KR101494794B1 (en) * | 2013-12-20 | 2015-02-23 | 엘에스산전 주식회사 | Safety Shutter of Vacuum Circuit Breaker |
-
2014
- 2014-02-06 EP EP14154093.0A patent/EP2905853B8/en active Active
-
2015
- 2015-01-27 WO PCT/EP2015/051540 patent/WO2015117858A1/en active Application Filing
- 2015-01-27 CN CN201580005966.7A patent/CN105934856B/en active Active
- 2015-01-27 US US15/116,928 patent/US9843173B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19619452A1 (en) * | 1996-05-14 | 1997-11-20 | Abb Patent Gmbh | Plug-in unit for control panel for MV or LV switchgear |
| CN101841134A (en) * | 2009-03-20 | 2010-09-22 | Abb技术有限公司 | Electric switchgear |
| CN103035428A (en) * | 2011-10-04 | 2013-04-10 | Abb技术股份公司 | An auxiliary contact device for medium voltage switching apparatuses |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2905853B8 (en) | 2016-12-21 |
| US9843173B2 (en) | 2017-12-12 |
| WO2015117858A1 (en) | 2015-08-13 |
| US20170179692A1 (en) | 2017-06-22 |
| EP2905853A1 (en) | 2015-08-12 |
| EP2905853B1 (en) | 2016-11-02 |
| CN105934856A (en) | 2016-09-07 |
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